管路安装标准化操作中用不到的工用具是() ["管钳","扳手","压力表","皮带轮"]
银行汇票的金额(),否则银行汇票无效。 ["大小写金额必须同时记载","大小写金额必须一致","必须机器打印","必须手工按格式书写"]
When a point rotates about an axis and, at the same time, moves parallel to that axis, it describes (). ["a line","a circle","a helix","an epllicate"]
劳动法作为独立的法律部门的理由是()。 ["劳动法有特定的调整对象","劳动法有特定的主体","劳动法有特殊的地位","劳动法有独立的内容体系"]
不是出口控制主要形式的是()。 ["出口国别控制","出口产品控制","出口价格控制","出口行业控制"]
烟草专卖零售许可证有效期满后如果想继续经营该如何办理?